<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
<script type="text/javascript" src="../jquery-1.6.4.js"></script>
<script type="text/javascript">
$(document).ready(function(){
	$("#div3").html("<b>修改以后的Div3</b>");
	$(":button").click(function(){
		$("#div1").css({"color":"red","font-size":"19px","font-weight":"bold"});
	});
});
</script>
</head>
<body>
	<div id="div1" style='color:red'>
		<p>.
			div1
		</p>
	</div>
	<div id="div2">
		div2
	</div>
	<div id="div3" name="div3">
		div3
	</div>
	<a href="www.google.com">google</a>
	用户名<input type="text" disabled="disabled" />
	<input type="radio" value="male" checked="checked"/>
	<input type="radio" value="female"/>
	登录<button>提交</button>
</body>
</html>